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Confirmation

Enum Confirmation 

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pub enum Confirmation {
    TypeToken {
        message: &'static str,
        token: &'static str,
    },
    YesNo {
        message: &'static str,
    },
}
Expand description

Pre-invocation confirmation gate.

Declared in the command manifest and checked by the CLI dispatch layer before the handler runs. Has no effect on HTTP endpoints - the API is not interactive.

Variants§

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TypeToken

Prompt the user to type an exact token (e.g. "RESET").

The message is printed to stderr first, then the user is asked to type token. Any other input aborts.

Fields

§message: &'static str
§token: &'static str
§

YesNo

Simple yes/no prompt. The message is shown, and the user must type y or yes (case-insensitive) to proceed.

Fields

§message: &'static str

Implementations§

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impl Confirmation

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pub fn prompt<R: BufRead, W: Write>( &self, reader: &mut R, writer: &mut W, ) -> Result<bool>

Run the confirmation prompt on the given reader/writer pair.

Returns Ok(true) if the user confirmed, Ok(false) if they declined, and Err on I/O failure.

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pub fn prompt_stdio(&self) -> Result<bool>

Convenience: prompt on real stdin/stderr.

Trait Implementations§

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impl Clone for Confirmation

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fn clone(&self) -> Confirmation

Returns a duplicate of the value. Read more
1.0.0 (const: unstable) · Source§

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl Copy for Confirmation

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impl Debug for Confirmation

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fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more
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impl Eq for Confirmation

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impl PartialEq for Confirmation

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fn eq(&self, other: &Confirmation) -> bool

Tests for self and other values to be equal, and is used by ==.
1.0.0 (const: unstable) · Source§

fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.
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impl StructuralPartialEq for Confirmation

Auto Trait Implementations§

Blanket Implementations§

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impl<T> Any for T
where T: 'static + ?Sized,

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
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impl<T> Borrow<T> for T
where T: ?Sized,

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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impl<T> BorrowMut<T> for T
where T: ?Sized,

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fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more
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impl<T> CloneToUninit for T
where T: Clone,

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unsafe fn clone_to_uninit(&self, dest: *mut u8)

🔬This is a nightly-only experimental API. (clone_to_uninit)
Performs copy-assignment from self to dest. Read more
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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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impl<T, U> Into<U> for T
where U: From<T>,

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fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

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impl<T> ToOwned for T
where T: Clone,

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type Owned = T

The resulting type after obtaining ownership.
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fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more
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fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more
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impl<T, U> TryFrom<U> for T
where U: Into<T>,

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type Error = Infallible

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
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impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

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type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.